120213422221 has 2 divisors, whose sum is σ = 120213422222. Its totient is φ = 120213422220.

The previous prime is 120213422191. The next prime is 120213422227. The reversal of 120213422221 is 122224312021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111565352196 + 8648070025 = 334014^2 + 92995^2 .

It is a cyclic number.

It is not a de Polignac number, because 120213422221 - 2⁹ = 120213421709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120213422192 and 120213422201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120213422227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106711110 + 60106711111.

It is an arithmetic number, because the mean of its divisors is an integer number (60106711111).

Almost surely, 2^120213422221 is an apocalyptic number.

It is an amenable number.

120213422221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120213422221 is an equidigital number, since it uses as much as digits as its factorization.

120213422221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 120213422221 its reverse (122224312021), we get a palindrome (242437734242).

The spelling of 120213422221 in words is "one hundred twenty billion, two hundred thirteen million, four hundred twenty-two thousand, two hundred twenty-one".